Home / 5,402.52-7,456.18-3,045.40

Finding the Fourth Proportional to 5,402.52, 7,456.18 and 3,045.40

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Solution

The fourth proportional to 5,402.52, 7,456.18 and 3,045.40 is: 4,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.52 : 7,456.18 = 3,045.40 : x
  2. Step 2: Convert to fraction form
    5,402.52/7,456.18 = 3,045.40/x
  3. Step 3: Cross multiply
    5,402.52x = 7,456.18 × 3,045.40
  4. Step 4: Simplify right side
    5,402.52x = 22,707,050.57
  5. Step 5: Solve for x
    x = 22,707,050.57/5,402.52
  6. Step 6: Final answer
    x = 4,203.05

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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.