Home / 7,513.03-10,370.15-5,275.45

Finding the Fourth Proportional to 7,513.03, 10,370.15 and 5,275.45

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Solution

The fourth proportional to 7,513.03, 10,370.15 and 5,275.45 is: 7,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.03 : 10,370.15 = 5,275.45 : x
  2. Step 2: Convert to fraction form
    7,513.03/10,370.15 = 5,275.45/x
  3. Step 3: Cross multiply
    7,513.03x = 10,370.15 × 5,275.45
  4. Step 4: Simplify right side
    7,513.03x = 54,707,207.82
  5. Step 5: Solve for x
    x = 54,707,207.82/7,513.03
  6. Step 6: Final answer
    x = 7,281.64

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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.