Home / 5,254.60-7,881.90-4,707.40

Finding the Fourth Proportional to 5,254.60, 7,881.90 and 4,707.40

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Solution

The fourth proportional to 5,254.60, 7,881.90 and 4,707.40 is: 7,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.60 : 7,881.90 = 4,707.40 : x
  2. Step 2: Convert to fraction form
    5,254.60/7,881.90 = 4,707.40/x
  3. Step 3: Cross multiply
    5,254.60x = 7,881.90 × 4,707.40
  4. Step 4: Simplify right side
    5,254.60x = 37,103,256.06
  5. Step 5: Solve for x
    x = 37,103,256.06/5,254.60
  6. Step 6: Final answer
    x = 7,061.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.