Home / 7,445.71-10,275.29-4,461.40

Finding the Fourth Proportional to 7,445.71, 10,275.29 and 4,461.40

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Solution

The fourth proportional to 7,445.71, 10,275.29 and 4,461.40 is: 6,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.71 : 10,275.29 = 4,461.40 : x
  2. Step 2: Convert to fraction form
    7,445.71/10,275.29 = 4,461.40/x
  3. Step 3: Cross multiply
    7,445.71x = 10,275.29 × 4,461.40
  4. Step 4: Simplify right side
    7,445.71x = 45,842,178.81
  5. Step 5: Solve for x
    x = 45,842,178.81/7,445.71
  6. Step 6: Final answer
    x = 6,156.86

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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.