Home / 4,298.65-6,447.56-1,178.53

Finding the Fourth Proportional to 4,298.65, 6,447.56 and 1,178.53

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Solution

The fourth proportional to 4,298.65, 6,447.56 and 1,178.53 is: 1,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.65 : 6,447.56 = 1,178.53 : x
  2. Step 2: Convert to fraction form
    4,298.65/6,447.56 = 1,178.53/x
  3. Step 3: Cross multiply
    4,298.65x = 6,447.56 × 1,178.53
  4. Step 4: Simplify right side
    4,298.65x = 7,598,642.89
  5. Step 5: Solve for x
    x = 7,598,642.89/4,298.65
  6. Step 6: Final answer
    x = 1,767.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.