Home / 1,598.85-2,205.03-1,038.76

Finding the Fourth Proportional to 1,598.85, 2,205.03 and 1,038.76

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Solution

The fourth proportional to 1,598.85, 2,205.03 and 1,038.76 is: 1,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.85 : 2,205.03 = 1,038.76 : x
  2. Step 2: Convert to fraction form
    1,598.85/2,205.03 = 1,038.76/x
  3. Step 3: Cross multiply
    1,598.85x = 2,205.03 × 1,038.76
  4. Step 4: Simplify right side
    1,598.85x = 2,290,496.96
  5. Step 5: Solve for x
    x = 2,290,496.96/1,598.85
  6. Step 6: Final answer
    x = 1,432.59

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Double 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.