Home / 7,457.64-10,276.38-5,768.79

Finding the Fourth Proportional to 7,457.64, 10,276.38 and 5,768.79

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Solution

The fourth proportional to 7,457.64, 10,276.38 and 5,768.79 is: 7,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.64 : 10,276.38 = 5,768.79 : x
  2. Step 2: Convert to fraction form
    7,457.64/10,276.38 = 5,768.79/x
  3. Step 3: Cross multiply
    7,457.64x = 10,276.38 × 5,768.79
  4. Step 4: Simplify right side
    7,457.64x = 59,282,278.18
  5. Step 5: Solve for x
    x = 59,282,278.18/7,457.64
  6. Step 6: Final answer
    x = 7,949.20

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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.