Home / 5,312.06-7,332.47-3,216.19

Finding the Fourth Proportional to 5,312.06, 7,332.47 and 3,216.19

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Solution

The fourth proportional to 5,312.06, 7,332.47 and 3,216.19 is: 4,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.06 : 7,332.47 = 3,216.19 : x
  2. Step 2: Convert to fraction form
    5,312.06/7,332.47 = 3,216.19/x
  3. Step 3: Cross multiply
    5,312.06x = 7,332.47 × 3,216.19
  4. Step 4: Simplify right side
    5,312.06x = 23,582,606.40
  5. Step 5: Solve for x
    x = 23,582,606.40/5,312.06
  6. Step 6: Final answer
    x = 4,439.44

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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.