Home / 5,409.72-7,464.78-3,051.63

Finding the Fourth Proportional to 5,409.72, 7,464.78 and 3,051.63

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Solution

The fourth proportional to 5,409.72, 7,464.78 and 3,051.63 is: 4,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.72 : 7,464.78 = 3,051.63 : x
  2. Step 2: Convert to fraction form
    5,409.72/7,464.78 = 3,051.63/x
  3. Step 3: Cross multiply
    5,409.72x = 7,464.78 × 3,051.63
  4. Step 4: Simplify right side
    5,409.72x = 22,779,746.59
  5. Step 5: Solve for x
    x = 22,779,746.59/5,409.72
  6. Step 6: Final answer
    x = 4,210.89

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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.