Home / 4,870.48-6,721.88-3,193.30

Finding the Fourth Proportional to 4,870.48, 6,721.88 and 3,193.30

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Solution

The fourth proportional to 4,870.48, 6,721.88 and 3,193.30 is: 4,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.48 : 6,721.88 = 3,193.30 : x
  2. Step 2: Convert to fraction form
    4,870.48/6,721.88 = 3,193.30/x
  3. Step 3: Cross multiply
    4,870.48x = 6,721.88 × 3,193.30
  4. Step 4: Simplify right side
    4,870.48x = 21,464,979.40
  5. Step 5: Solve for x
    x = 21,464,979.40/4,870.48
  6. Step 6: Final answer
    x = 4,407.16

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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.