Home / 7,541.92-10,400.40-4,746.40

Finding the Fourth Proportional to 7,541.92, 10,400.40 and 4,746.40

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Solution

The fourth proportional to 7,541.92, 10,400.40 and 4,746.40 is: 6,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.92 : 10,400.40 = 4,746.40 : x
  2. Step 2: Convert to fraction form
    7,541.92/10,400.40 = 4,746.40/x
  3. Step 3: Cross multiply
    7,541.92x = 10,400.40 × 4,746.40
  4. Step 4: Simplify right side
    7,541.92x = 49,364,458.56
  5. Step 5: Solve for x
    x = 49,364,458.56/7,541.92
  6. Step 6: Final answer
    x = 6,545.34

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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.