Home / 3,316.24-4,975.44-1,585

Finding the Fourth Proportional to 3,316.24, 4,975.44 and 1,585

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Solution

The fourth proportional to 3,316.24, 4,975.44 and 1,585 is: 2,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.24 : 4,975.44 = 1,585 : x
  2. Step 2: Convert to fraction form
    3,316.24/4,975.44 = 1,585/x
  3. Step 3: Cross multiply
    3,316.24x = 4,975.44 × 1,585
  4. Step 4: Simplify right side
    3,316.24x = 7,886,072.40
  5. Step 5: Solve for x
    x = 7,886,072.40/3,316.24
  6. Step 6: Final answer
    x = 2,378.02

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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.