Home / 5,176.36-7,763.51-1,888.68

Finding the Fourth Proportional to 5,176.36, 7,763.51 and 1,888.68

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Solution

The fourth proportional to 5,176.36, 7,763.51 and 1,888.68 is: 2,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.36 : 7,763.51 = 1,888.68 : x
  2. Step 2: Convert to fraction form
    5,176.36/7,763.51 = 1,888.68/x
  3. Step 3: Cross multiply
    5,176.36x = 7,763.51 × 1,888.68
  4. Step 4: Simplify right side
    5,176.36x = 14,662,779.18
  5. Step 5: Solve for x
    x = 14,662,779.18/5,176.36
  6. Step 6: Final answer
    x = 2,832.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.