Home / 7,457.28-10,278.36-5,095.32

Finding the Fourth Proportional to 7,457.28, 10,278.36 and 5,095.32

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Solution

The fourth proportional to 7,457.28, 10,278.36 and 5,095.32 is: 7,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.28 : 10,278.36 = 5,095.32 : x
  2. Step 2: Convert to fraction form
    7,457.28/10,278.36 = 5,095.32/x
  3. Step 3: Cross multiply
    7,457.28x = 10,278.36 × 5,095.32
  4. Step 4: Simplify right side
    7,457.28x = 52,371,533.28
  5. Step 5: Solve for x
    x = 52,371,533.28/7,457.28
  6. Step 6: Final answer
    x = 7,022.87

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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.