Home / 4,038.40-5,572.56-2,465.92

Finding the Fourth Proportional to 4,038.40, 5,572.56 and 2,465.92

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Solution

The fourth proportional to 4,038.40, 5,572.56 and 2,465.92 is: 3,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.40 : 5,572.56 = 2,465.92 : x
  2. Step 2: Convert to fraction form
    4,038.40/5,572.56 = 2,465.92/x
  3. Step 3: Cross multiply
    4,038.40x = 5,572.56 × 2,465.92
  4. Step 4: Simplify right side
    4,038.40x = 13,741,487.16
  5. Step 5: Solve for x
    x = 13,741,487.16/4,038.40
  6. Step 6: Final answer
    x = 3,402.71

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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.