Home / 7,516.59-11,275.38-1,970.07

Finding the Fourth Proportional to 7,516.59, 11,275.38 and 1,970.07

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Solution

The fourth proportional to 7,516.59, 11,275.38 and 1,970.07 is: 2,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.59 : 11,275.38 = 1,970.07 : x
  2. Step 2: Convert to fraction form
    7,516.59/11,275.38 = 1,970.07/x
  3. Step 3: Cross multiply
    7,516.59x = 11,275.38 × 1,970.07
  4. Step 4: Simplify right side
    7,516.59x = 22,213,287.88
  5. Step 5: Solve for x
    x = 22,213,287.88/7,516.59
  6. Step 6: Final answer
    x = 2,955.23

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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.