Home / 4,870.80-6,712.47-4,032.45

Finding the Fourth Proportional to 4,870.80, 6,712.47 and 4,032.45

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Solution

The fourth proportional to 4,870.80, 6,712.47 and 4,032.45 is: 5,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.80 : 6,712.47 = 4,032.45 : x
  2. Step 2: Convert to fraction form
    4,870.80/6,712.47 = 4,032.45/x
  3. Step 3: Cross multiply
    4,870.80x = 6,712.47 × 4,032.45
  4. Step 4: Simplify right side
    4,870.80x = 27,067,699.65
  5. Step 5: Solve for x
    x = 27,067,699.65/4,870.80
  6. Step 6: Final answer
    x = 5,557.14

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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.