Home / 5,509.23-7,602.76-2,991.35

Finding the Fourth Proportional to 5,509.23, 7,602.76 and 2,991.35

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Solution

The fourth proportional to 5,509.23, 7,602.76 and 2,991.35 is: 4,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.23 : 7,602.76 = 2,991.35 : x
  2. Step 2: Convert to fraction form
    5,509.23/7,602.76 = 2,991.35/x
  3. Step 3: Cross multiply
    5,509.23x = 7,602.76 × 2,991.35
  4. Step 4: Simplify right side
    5,509.23x = 22,742,516.13
  5. Step 5: Solve for x
    x = 22,742,516.13/5,509.23
  6. Step 6: Final answer
    x = 4,128.08

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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.