Home / 7,220.58-9,964.88-4,567.02

Finding the Fourth Proportional to 7,220.58, 9,964.88 and 4,567.02

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Solution

The fourth proportional to 7,220.58, 9,964.88 and 4,567.02 is: 6,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.58 : 9,964.88 = 4,567.02 : x
  2. Step 2: Convert to fraction form
    7,220.58/9,964.88 = 4,567.02/x
  3. Step 3: Cross multiply
    7,220.58x = 9,964.88 × 4,567.02
  4. Step 4: Simplify right side
    7,220.58x = 45,509,806.26
  5. Step 5: Solve for x
    x = 45,509,806.26/7,220.58
  6. Step 6: Final answer
    x = 6,302.79

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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.