Home / 2,316.12-3,473.90-777.24

Finding the Fourth Proportional to 2,316.12, 3,473.90 and 777.24

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Solution

The fourth proportional to 2,316.12, 3,473.90 and 777.24 is: 1,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.12 : 3,473.90 = 777.24 : x
  2. Step 2: Convert to fraction form
    2,316.12/3,473.90 = 777.24/x
  3. Step 3: Cross multiply
    2,316.12x = 3,473.90 × 777.24
  4. Step 4: Simplify right side
    2,316.12x = 2,700,054.04
  5. Step 5: Solve for x
    x = 2,700,054.04/2,316.12
  6. Step 6: Final answer
    x = 1,165.77

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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.