Home / 6,210.81-8,570.70-3,556.32

Finding the Fourth Proportional to 6,210.81, 8,570.70 and 3,556.32

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Solution

The fourth proportional to 6,210.81, 8,570.70 and 3,556.32 is: 4,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.81 : 8,570.70 = 3,556.32 : x
  2. Step 2: Convert to fraction form
    6,210.81/8,570.70 = 3,556.32/x
  3. Step 3: Cross multiply
    6,210.81x = 8,570.70 × 3,556.32
  4. Step 4: Simplify right side
    6,210.81x = 30,480,151.82
  5. Step 5: Solve for x
    x = 30,480,151.82/6,210.81
  6. Step 6: Final answer
    x = 4,907.60

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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.