Home / 7,501.60-11,254.80-2,574.40

Finding the Fourth Proportional to 7,501.60, 11,254.80 and 2,574.40

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Solution

The fourth proportional to 7,501.60, 11,254.80 and 2,574.40 is: 3,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.60 : 11,254.80 = 2,574.40 : x
  2. Step 2: Convert to fraction form
    7,501.60/11,254.80 = 2,574.40/x
  3. Step 3: Cross multiply
    7,501.60x = 11,254.80 × 2,574.40
  4. Step 4: Simplify right side
    7,501.60x = 28,974,357.12
  5. Step 5: Solve for x
    x = 28,974,357.12/7,501.60
  6. Step 6: Final answer
    x = 3,862.42

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1.5x scale

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.