Home / 7,445.92-10,275.60-5,090.08

Finding the Fourth Proportional to 7,445.92, 10,275.60 and 5,090.08

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Solution

The fourth proportional to 7,445.92, 10,275.60 and 5,090.08 is: 7,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.92 : 10,275.60 = 5,090.08 : x
  2. Step 2: Convert to fraction form
    7,445.92/10,275.60 = 5,090.08/x
  3. Step 3: Cross multiply
    7,445.92x = 10,275.60 × 5,090.08
  4. Step 4: Simplify right side
    7,445.92x = 52,303,626.05
  5. Step 5: Solve for x
    x = 52,303,626.05/7,445.92
  6. Step 6: Final answer
    x = 7,024.47

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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.