Home / 7,235.19-9,985.98-4,580.72

Finding the Fourth Proportional to 7,235.19, 9,985.98 and 4,580.72

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Solution

The fourth proportional to 7,235.19, 9,985.98 and 4,580.72 is: 6,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.19 : 9,985.98 = 4,580.72 : x
  2. Step 2: Convert to fraction form
    7,235.19/9,985.98 = 4,580.72/x
  3. Step 3: Cross multiply
    7,235.19x = 9,985.98 × 4,580.72
  4. Step 4: Simplify right side
    7,235.19x = 45,742,983.00
  5. Step 5: Solve for x
    x = 45,742,983.00/7,235.19
  6. Step 6: Final answer
    x = 6,322.29

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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.