Home / 4,875.28-7,314.88-2,276.60

Finding the Fourth Proportional to 4,875.28, 7,314.88 and 2,276.60

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Solution

The fourth proportional to 4,875.28, 7,314.88 and 2,276.60 is: 3,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.28 : 7,314.88 = 2,276.60 : x
  2. Step 2: Convert to fraction form
    4,875.28/7,314.88 = 2,276.60/x
  3. Step 3: Cross multiply
    4,875.28x = 7,314.88 × 2,276.60
  4. Step 4: Simplify right side
    4,875.28x = 16,653,055.81
  5. Step 5: Solve for x
    x = 16,653,055.81/4,875.28
  6. Step 6: Final answer
    x = 3,415.82

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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.