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Finding the Fourth Proportional to 1,855.33, 2,560.10 and 1,058.76

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Solution

The fourth proportional to 1,855.33, 2,560.10 and 1,058.76 is: 1,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.33 : 2,560.10 = 1,058.76 : x
  2. Step 2: Convert to fraction form
    1,855.33/2,560.10 = 1,058.76/x
  3. Step 3: Cross multiply
    1,855.33x = 2,560.10 × 1,058.76
  4. Step 4: Simplify right side
    1,855.33x = 2,710,531.48
  5. Step 5: Solve for x
    x = 2,710,531.48/1,855.33
  6. Step 6: Final answer
    x = 1,460.94

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,856.33, 2,561.48 and 1,059.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.