Home / 5,312.07-7,971.75-1,849.32

Finding the Fourth Proportional to 5,312.07, 7,971.75 and 1,849.32

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Solution

The fourth proportional to 5,312.07, 7,971.75 and 1,849.32 is: 2,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.07 : 7,971.75 = 1,849.32 : x
  2. Step 2: Convert to fraction form
    5,312.07/7,971.75 = 1,849.32/x
  3. Step 3: Cross multiply
    5,312.07x = 7,971.75 × 1,849.32
  4. Step 4: Simplify right side
    5,312.07x = 14,742,316.71
  5. Step 5: Solve for x
    x = 14,742,316.71/5,312.07
  6. Step 6: Final answer
    x = 2,775.25

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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.