Home / 7,505.07-10,357.65-4,148.43

Finding the Fourth Proportional to 7,505.07, 10,357.65 and 4,148.43

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Solution

The fourth proportional to 7,505.07, 10,357.65 and 4,148.43 is: 5,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.07 : 10,357.65 = 4,148.43 : x
  2. Step 2: Convert to fraction form
    7,505.07/10,357.65 = 4,148.43/x
  3. Step 3: Cross multiply
    7,505.07x = 10,357.65 × 4,148.43
  4. Step 4: Simplify right side
    7,505.07x = 42,967,985.99
  5. Step 5: Solve for x
    x = 42,967,985.99/7,505.07
  6. Step 6: Final answer
    x = 5,725.19

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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.