Home / 4,666.38-6,440.06-3,485.40

Finding the Fourth Proportional to 4,666.38, 6,440.06 and 3,485.40

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Solution

The fourth proportional to 4,666.38, 6,440.06 and 3,485.40 is: 4,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.38 : 6,440.06 = 3,485.40 : x
  2. Step 2: Convert to fraction form
    4,666.38/6,440.06 = 3,485.40/x
  3. Step 3: Cross multiply
    4,666.38x = 6,440.06 × 3,485.40
  4. Step 4: Simplify right side
    4,666.38x = 22,446,185.12
  5. Step 5: Solve for x
    x = 22,446,185.12/4,666.38
  6. Step 6: Final answer
    x = 4,810.19

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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.