Home / 4,711.14-6,501.20-2,615.40

Finding the Fourth Proportional to 4,711.14, 6,501.20 and 2,615.40

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Solution

The fourth proportional to 4,711.14, 6,501.20 and 2,615.40 is: 3,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.14 : 6,501.20 = 2,615.40 : x
  2. Step 2: Convert to fraction form
    4,711.14/6,501.20 = 2,615.40/x
  3. Step 3: Cross multiply
    4,711.14x = 6,501.20 × 2,615.40
  4. Step 4: Simplify right side
    4,711.14x = 17,003,225.40
  5. Step 5: Solve for x
    x = 17,003,225.40/4,711.14
  6. Step 6: Final answer
    x = 3,609.15

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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.