Home / 4,071.47-5,618.63-2,303.04

Finding the Fourth Proportional to 4,071.47, 5,618.63 and 2,303.04

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Solution

The fourth proportional to 4,071.47, 5,618.63 and 2,303.04 is: 3,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.47 : 5,618.63 = 2,303.04 : x
  2. Step 2: Convert to fraction form
    4,071.47/5,618.63 = 2,303.04/x
  3. Step 3: Cross multiply
    4,071.47x = 5,618.63 × 2,303.04
  4. Step 4: Simplify right side
    4,071.47x = 12,939,905.69
  5. Step 5: Solve for x
    x = 12,939,905.69/4,071.47
  6. Step 6: Final answer
    x = 3,178.19

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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.