Home / 1,817.07-2,506.98-1,070.76

Finding the Fourth Proportional to 1,817.07, 2,506.98 and 1,070.76

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Solution

The fourth proportional to 1,817.07, 2,506.98 and 1,070.76 is: 1,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.07 : 2,506.98 = 1,070.76 : x
  2. Step 2: Convert to fraction form
    1,817.07/2,506.98 = 1,070.76/x
  3. Step 3: Cross multiply
    1,817.07x = 2,506.98 × 1,070.76
  4. Step 4: Simplify right side
    1,817.07x = 2,684,373.90
  5. Step 5: Solve for x
    x = 2,684,373.90/1,817.07
  6. Step 6: Final answer
    x = 1,477.31

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Half scale
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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.